At 0440 central time, an Aero Commander 500-B lost power in both engines and was damaged during a forced landing to a dirt road about four miles south of the Mankato Regional Airport. The pilot was not injured. The pilot had notified air traffic control that he was low on fuel. He then attempted an instrument approach to Albert Lee but was not successful. The pilot was given vectors and a clearance for the approach to Mankato, but ran out of fuel during the approach.